*{
    margin: 0;
    padding: 0;
}
html,body{
    width: 100%;
    height: 100%;
    
}
ul,li{
    list-style: none;
    
}
a{
    text-decoration: none;
    color: black;
}
/* 浮动 */
.fl{
    float: left;
}
.fr{
    float: right;
}
/* 清浮动 */
.clearfix:after{
    display: block;
    content: '';
    clear: both;
    height: 0;
}
.clearfix{
    zoom: 1;
}
/* 上部 */
#top{
    height: 80px;
    width: 100%;
    background: linear-gradient(to right,rgb(89, 141, 172),rgb(145, 94, 165));
    padding-left: 20px;
    position: absolute;
    top: 0;
    left: 0;
}
#top>div{
    margin-top: 5px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid rgb(139, 138, 138);
    margin-right: 20px;
    text-align: center;
}
#top img{
    
    width:100%;
    height: 100%;
    border-radius: 50%;
}
#top span{
    margin-top: 30px;
    font-size: 18px;
    margin-right: 20px;
    color: white;
}
/* 退出按钮 */
#top button{
    width: 80px;
    height: 30px;
    background-color: rgb(62, 177, 243);
    color: white;
    font-size: 14px;
    border: none;
    margin-top: 25px;
    border-radius: 5px;
}
/* 下部分 */
#content{
    width: 100%;
    position: absolute;
    top: 80px;
    left: 0;
    bottom: 0;
}
#content .content_l{
    width: 200px;
    height: 100%;
    background-color: rgb(243, 234, 220);
}
#content .content_l .menu{
    background-color: rgb(59, 130, 172);
    color: white;
    height: 40px;
    line-height: 40px;
    font-weight: bold;
    text-align: center;
    border-bottom: 1px solid rgb(143, 142, 142);
    cursor: pointer;
}
#content .content_l p{
    width: 200px;
    font-weight:bold;
    border-bottom: 1px solid rgb(113, 114, 117);
    text-align: center;
    box-sizing: border-box;
    height: 40px;
    line-height: 40px;
    color: rgb(80, 104, 128);
}
#content .content_l p:hover{
    cursor: pointer;
    color: dodgerblue;
}

#content .content_l ul li{
    height: 40px;
    line-height: 40px;
    border-bottom: 1px dashed rgb(143, 142, 142);
    text-align: center;
    
}
#content .content_l ul li a{
    color:rgb(80, 104, 128) ;
}
#content .content_l ul li a:hover{
    color: dodgerblue;
    cursor: pointer;
}
#content .content_r{
    height: 100%;
    overflow: hidden;
}
#content .content_r div{
    padding: 10px;
    border-bottom: 1px solid #000;
}
#content .content_r iframe{
    width: 100%;
    height: 100%;
    padding: 20px;
}
.active{
    color: rgb(52, 87, 128);
}
